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Finding the Fourth Proportional to 568,092.09, 784,251.15 and 353,301.36

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Solution

The fourth proportional to 568,092.09, 784,251.15 and 353,301.36 is: 487,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,092.09 : 784,251.15 = 353,301.36 : x
  2. Step 2: Convert to fraction form
    568,092.09/784,251.15 = 353,301.36/x
  3. Step 3: Cross multiply
    568,092.09x = 784,251.15 × 353,301.36
  4. Step 4: Simplify right side
    568,092.09x = 277,076,997,876.56
  5. Step 5: Solve for x
    x = 277,076,997,876.56/568,092.09
  6. Step 6: Final answer
    x = 487,732.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.